MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2f317783ebd3c12517e36d052c09e88291cf335f8f83efdc360aa9dbcb8eb916. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Vidar


Vendor detections: 14


Intelligence 14 IOCs YARA 21 File information Comments
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SHA256 hash: 2f317783ebd3c12517e36d052c09e88291cf335f8f83efdc360aa9dbcb8eb916
SHA3-384 hash: 3a304d1e3b41fa7b5eb8cd98811675074e8477f9bddfe32bf2cfdcd63adf0b16e29700ab246ee2dfc4f54f15e3762187
SHA1 hash: 4b535eec398fe92c7b59b05fd8be500c49942cee
MD5 hash: 770b223cce43b2043d5953fffb30c512
humanhash: early-stairway-august-one
File name:770b223cce43b2043d5953fffb30c512.exe
Download: download sample
Signature Vidar
Create hunting rule
File size:45'056 bytes
First seen:2025-01-19 07:18:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 768:8FtchgNSVwafevGHkiV++I1gqDnJuuAuznQVLNvxu0BvkwIt6BcN4fejq:8FtggN7aeGEk+11Tu9AnQVLNppvk9RNQ
TLSH T1D213595171FE9029D5BBEBB5BEDDACEDC89E5971182C246700C1928B4B21FE0EA43C34
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter abuse_ch
Tags:exe vidar

Intelligence

File Origin
# of uploads :
1
# of downloads :
461
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
770b223cce43b2043d5953fffb30c512.exe
Verdict:
Malicious activity
Analysis date:
2025-01-19 07:23:51 UTC
Tags:
loader
Link:
https://app.any.run/tasks/a1998f34-9209-4310-9996-271cfb2e9b9f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.PWS.Lumma.749.4233.20515.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=678ca9e94487910100e15095
Tags:
virus micro sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Sending an HTTP GET request to an infection source
Creating a file in the %temp% subdirectories
Launching a process
Creating a process with a hidden window
Creating a file
DNS request
Connection attempt
Sending a custom TCP request
Behavior that indicates a threat
Using the Windows Management Instrumentation requests
Running batch commands
Connection attempt to an infection source
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated
Link:
https://www.filescan.io/uploads/678ca7672a063b4c6e886e10/reports/afb55da9-d834-40ca-a5eb-dca7d943fd9e/overview
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/2f317783ebd3c12517e36d052c09e88291cf335f8f83efdc360aa9dbcb8eb916
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4fd509be-4300-4abd-bfa7-fe272f4879e6
Result
Threat name:
Stealc, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1594577
Signature
.NET source code contains very large strings
.NET source code references suspicious native API functions
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Compiles code for process injection (via .Net compiler)
Contains functionality to inject code into remote processes
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Dot net compiler compiles file from suspicious location
Suricata IDS alerts for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Powershell download and execute
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1594577 Sample: YxzEGDYnM3.exe Startdate: 19/01/2025 Architecture: WINDOWS Score: 100 41 t.me 2->41 43 steamcommunity.com 2->43 59 Suricata IDS alerts for network traffic 2->59 61 Found malware configuration 2->61 63 Malicious sample detected (through community Yara rule) 2->63 65 17 other signatures 2->65 9 YxzEGDYnM3.exe 15 9 2->9         started        signatures3 process4 dnsIp5 45 147.45.44.131, 49710, 80 FREE-NET-ASFREEnetEU Russian Federation 9->45 33 C:\Users\user\AppData\...\ue1xkbmd.cmdline, Unicode 9->33 dropped 35 C:\Users\user\AppData\Local\...\ue1xkbmd.0.cs, Unicode 9->35 dropped 67 Writes to foreign memory regions 9->67 69 Allocates memory in foreign processes 9->69 71 Compiles code for process injection (via .Net compiler) 9->71 73 Injects a PE file into a foreign processes 9->73 14 RegAsm.exe 1 126 9->14         started        19 RegAsm.exe 9->19         started        21 csc.exe 3 9->21         started        file6 signatures7 process8 dnsIp9 47 t.me 149.154.167.99, 443, 49715 TELEGRAMRU United Kingdom 14->47 49 steamcommunity.com 104.102.49.254, 443, 49716 AKAMAI-ASUS United States 14->49 37 C:\ProgramData\chrome.dll, PE32 14->37 dropped 51 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->51 53 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 14->53 55 Tries to harvest and steal ftp login credentials 14->55 23 cmd.exe 1 14->23         started        57 Contains functionality to inject code into remote processes 19->57 39 C:\Users\user\AppData\Local\...\ue1xkbmd.dll, PE32 21->39 dropped 25 conhost.exe 21->25         started        27 cvtres.exe 1 21->27         started        file10 signatures11 process12 process13 29 conhost.exe 23->29         started        31 timeout.exe 1 23->31         started       
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/2f317783ebd3c12517e36d052c09e88291cf335f8f83efdc360aa9dbcb8eb916
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2f317783ebd3c12517e36d052c09e88291cf335f8f83efdc360aa9dbcb8eb916/
Threat name:
ByteCode-MSIL.Trojan.LummaC
Create hunting rule
Status:
Malicious
First seen:
2024-11-15 19:36:33 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=f4yxpa7l2paskf7dnucsycpiqki46m27r6b67xbwbku5xs4oxela._file
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:vidar botnet:12d6c83ea3cfc666e31df67358e93313 credential_access discovery spyware stealer
Link:
https://tria.ge/reports/250119-h5hh5szjhx/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Checks processor information in registry
Delays execution with timeout.exe
Modifies system certificate store
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks installed software on the system
Checks computer location settings
Loads dropped DLL
Reads data files stored by FTP clients
Unsecured Credentials: Credentials In Files
Downloads MZ/PE file
Detect Vidar Stealer
Vidar
Vidar family
Malware Config
C2 Extraction:
https://t.me/asg7rd
https://steamcommunity.com/profiles/76561199794498376
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/2d1b69c1-a911-4316-b194-659f50dbe69b
Unpacked files
SH256 hash:
be6b41d947d732fbf2075d8f4bb9d4edb73ebe7cb9d3090c2c14464136b0875d
MD5 hash:
e27813b42447c9309d4d33946a6f3e4b
SHA1 hash:
4b07587662cabe3e34068508a136fb1836c124bf
Link:
https://www.unpac.me/results/f9eb865f-01e1-4f1e-b2ce-c11fe87aa00f/
SH256 hash:
2f317783ebd3c12517e36d052c09e88291cf335f8f83efdc360aa9dbcb8eb916
MD5 hash:
770b223cce43b2043d5953fffb30c512
SHA1 hash:
4b535eec398fe92c7b59b05fd8be500c49942cee
Link:
https://www.unpac.me/results/f9eb865f-01e1-4f1e-b2ce-c11fe87aa00f/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
vidar
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/2f317783ebd3c12517e36d052c09e88291cf335f8f83efdc360aa9dbcb8eb916

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:Check_Dlls
Create hunting rule
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Detect_PowerShell_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:has_telegram_urls
Create hunting rule
Author:Aaron DeVera<aaron@backchannel.re>
Description:Detects Telegram URLs
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Create hunting rule
Author:ditekSHen
Description:Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Stealc
Create hunting rule
Author:kevoreilly
Description:Stealc Payload
Rule name:Stealer_Stealc
Create hunting rule
Author:Still
Description:attempts to match instructions/strings found in Stealc
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Windows_Generic_Threat_2bba6bae
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_Vidar_65d3d7e5
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_Vidar_c374cd85
Create hunting rule
Author:Elastic Security

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Vidar

Executable exe 2f317783ebd3c12517e36d052c09e88291cf335f8f83efdc360aa9dbcb8eb916

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3405667/
  
Delivery method
Distributed via web download

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

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